SOLUTION: A chemist has 8 liters of alcohol in a mixture or 24 liters of alcohol and water.How many liters of alcohol must be added to make a mixture that will be 50 percent alcohol?

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Question 481694: A chemist has 8 liters of alcohol in a mixture or 24 liters of alcohol and water.How many liters of alcohol must be added to make a mixture that will be 50 percent alcohol?



Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A chemist has 8 liters of alcohol in a mixture or 24 liters of alcohol and water.How many liters of alcohol must be added to make a mixture that will be 50 percent alcohol?
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Equation:
alcohol + alcohol = alcohol
8 + x = 0.50(24+x)
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8 + x = 12 + (1/2)x
(1/2)x = 4
x = 8 liters (amt of alcohol needed)
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Cheers,
Stan H.